Gregory Alpinisto 30L Backpack Summit Black Medium/Large. Specifications for Gregory Alpinisto 30L Backpack: Manufacturer: Gregory Size: Medium - Large Gender: Unisex Pack Application: Hiking Pack Volume: 30 liters Fabric/Material: Nylon Pack Type: Backpack Features of Gregory Alpinisto 30L Backpack A turnkey alpine system designed to optimize your outdoor pursuits with quick transitions and easy access to ropes crampons ice tools and included helmet holder. The lightweight AirCushion back panel offers all-weather durability without sacrificing quick-drying breathable support and comfort Designed to endure all environments with lightweight durable materials aluminum hardware and redundant systems for smooth transition from approach to climb. Package Contents: Gregory Alpinisto 30L Backpack Gregory 157875-A800: Alpinisto 30L Backpack Summit Black Medium/Large